Le 15 févr. 2011 à 16:35, Brad Stone a écrit : > I've been doing a lot of hunting to find a simple way for me to encrypt an > NSString and NSData. I've found a bunch of useful blogs like Cocoa Nut > (http://cocoa-nut.de/?tag=encryption, Deusty:Using OpenSSL in Cocoa > (http://deusty.blogspot.com/2007/01/using-openssl-in-cocoa.html) and the > SSCrypto site (http://septicus.com/products/opensource/). The thing is > however that these, among others I've found (like "cocoa-ae"s from 2009), are > dated. The SSCrypto files haven't been updated since 2006 and these blogs > are of similar age. > > My question is simple: can I get this done without having to dive deep into > the world of OpenSSL? If so, how? > > I have about four NSString iVars and one NSData iVar I want to encrypt. I > wrote my own test code to encrypt/decrypt an NSString on the fly and have it > work with core data transparently to the user. I'm at the point now where I > need to replace that test code with something real. From all I've read, > OpenSSL is the way to go but I've also read it's very difficult to implement. > I know nothing about it. What initially attracted me to SSCrypto is that > it's simple (i.e. NSData *decryptedText = [crypto decrypt:@"aes256"]) but I'm > worried about using something relatively old and using a third party > framework. >
For AES (and SHA, and HMAC), use CommonCrypto API which is part of libSystem. man CCCryptor for details. (or search in Xcode doc). -- Jean-Daniel _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
